Add 15/30 and 18/49
15/30 + 18/49 is 85/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 49 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
15/30 = 15 × 49/30 × 49 = 735/1470 - Likewise, for the 2nd fraction, since 49 × 30 = 1470,
18/49 = 18 × 30/49 × 30 = 540/1470 - Add the two like fractions:
735/1470 + 540/1470 = 735 + 540/1470 = 1275/1470 - 1275/1470 simplified gives 85/98
- So, 15/30 + 18/49 = 85/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30+36/49 15/60+18/49 15/30+18/98 45/30+18/49 15/30+54/49 15/90+18/49 75/30+18/49 15/30+90/49